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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<script>
    const man=20.81;
    const woman=23.98;
    const df=5;
    var result = prompt("请输入速度");
    if(result <man){
        console.log("未打破男子组记录，无法得分");
    }else{
        console.log("打破男子组记录，得到"+df+"分");
    }
    if(result<woman){
        console.log("未打破女子组记录，无法得分");
    }else{
        console.log("打破女子记录，得到"+df+"分")
    }
</script>